body{
    margin: 0;
    padding: 0;
    position: relative;
    font-size: 16px;
}
.nav{
    width: 100%;
    height: 60px;
    display: flex;
}
.nav .left1{
    float: left;
    margin-top: 10px;
}
.nav .left2 p{
    float: left;
    margin-top: 25px;
    margin-left: 15px;
}
.nav .middle{
   margin: 0  auto;
   margin-top: 20px;
   padding-left: 80px;
}
.nav .right{
    width: 300px;
    height: 60px;
    float: right;
    line-height: 20px;
}
.nav .right ul{
    width: 300px;
    height: 60px;
    float: right;
    margin-top: 25px; 
    
}
.nav .right li{
    width: 54px;
    height: 20px;
    display: inline;
    margin: 0 10px;
    
}
.daohang{
    width: 100%;
    height: 60px;
    margin: 0 auto;
    text-align: center;
    margin-top: 50px;
}
.daohang li{
    width:60px ;
    height: 56px;
    display: inline;
    margin: 0 10px;
    
}
.header{
    width: 100%;
    height: 100px;
    line-height: 100px;
    background-color:#c2c2c2 ;
}
.header p{
    text-align: center;
}
.banner{
    width: 1300px;
    height: 3250px; 
    margin-left: auto;
    margin-right: auto;
}
.banner .banner-top{
    width: 1300px;
    height: 2500px;
    margin-left: auto;
    margin-right: auto;
}


.banner1 {
    width: 1500px;
    height: 500px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20px;
    display: flex;
    justify-content: space-around;
}
.banner1 .banner1-left{
    width: 720px;
    height: 500px;
    float: left;
    margin-top: 20px;
    padding-top: 10px;
}
.banner1 .banner1-mini {
    width: 340px;
    height: 300px;
    float: left;
    margin-right: 100px;
}
.banner1 .banner1-mini img{
    margin-left: -55px;
}
.banner1 .banner1-mini .qqqq {
    width: 180px;
    padding-top: 20px;
    line-height: 30px;
    padding-left: 30px; 
}
.banner2 {
    width: 1280px;
    height: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 70px;
    display: flex;
    justify-content: space-around;
}
.banner2 .banner2-mini {
    width: 340px;
    height: 400px;
    float: left;
}
.banner2 .banner2-mini .qqqq {
    width: 180px;
    padding-top: 20px;
    line-height: 30px;
    padding-left: 100px; 
}
.banner3 {
    width: 1280px;
    height: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 70px;
    display: flex;
    justify-content: space-around;
}
.banner3 .banner3-mini {
    width: 340px;
    height: 400px;
    float: left;
}
.banner3 .banner3-mini .qqqq {
    width: 180px;
    padding-top: 20px;
    line-height: 30px;
    padding-left: 100px; 
}
.banner4 {
    margin-left: 350px;
    margin-top: 70px;
    margin-left: 65px;
    margin-right: auto;
}
.banner4 .banner4-mini {
    width: 340px;
    height: 400px;
    float: left;
}
.banner4 .banner4-mini .qqqq {
    width: 180px;
    padding-top: 20px;
    line-height: 30px;
    padding-left: 100px; 
}
.banner5_1 {
    margin: 15px auto 35px auto;
    text-align: center;
}
.banner5_1 h1{
    padding-left: 0;
    padding-right: 0;
}
.banner5_2 p{
    padding-left: 0;
    padding-right: 0;
}
.banner6 {
    width: 1400px;
    height: 600px;
    margin-left: auto;
    margin-right: auto;
    background-color: #fff;
    margin-top: 30px;
    display: flex;
    justify-content: space-around;
}
.banner6 .banner6-mini {
    width: 340px;
    height: 400px;
    float: left;
}
.banner6 .banner6-mini .qqqq {
    width: 180px;
    padding-top: 20px;
    line-height: 30px;
    padding-left: 100px; 
}
.footer{
    width: 100%;
    height: 380px;
    background-color: #001711;
    color: #eddecd;
    
}
.footer-1{
    list-style-type: none;
    line-height: 35px;
}
.footer-1 ul li{
    list-style-type: none;
}
.footer-2{
    list-style-type: none;
    line-height: 35px;
}
.footer-2 ul li{
    list-style-type: none;
}
.footer-top{
    width:250px;
    height: 200px;
}
caption{
    font-size: 20px;
    text-align: left;
    font-weight: 700px;
}

.footer-min .min-top{
    width: 1400px;
    height: 180px;
    background-color:#001711 ;
    color: #eddecd;
    display: inline;
   margin: 0 auto;
   text-align: center;

}
.check{
    line-height: 14px;
    width: 14px;
    height: 14px;
}
.foot1{
    width: 1400px;
    height: 200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
}
.footer-min{
    width: 1400px;
    height: 100px;
    background-color: #001711;
    color: #eddecd;
    display: flex;
    margin: 0 auto;
    
}
.min-bottom{
    display: flex;
    width: 440px;
    height: 42px;
    float: right;
    margin-right: 30px;
}
#back{
    width: 100px;
    height: 100px;
    background-image: url(../images/back\(1\).png);
    position: fixed;
    right: 50px;
    bottom: 10px;
    background-repeat: no-repeat;
}